<?php
    PHPExcel_Autoloader::register();
    //    As we always try to run the autoloader before anything else, we can use it to do a few
    //        simple checks and initialisations
    //PHPExcel_Shared_ZipStreamWrapper::register();
    // check mbstring.func_overload
    if (ini_get('mbstring.func_overload') & 2) {
        throw new PHPExcel_Exception('Multibyte function overloading in PHP must be disabled for string functions (2).');
    }
    PHPExcel_Shared_String::buildCharacterSets();

    /**
     * PHPExcel
     * Copyright (c) 2006 - 2015 PHPExcel
     * This library is free software; you can redistribute it and/or
     * modify it under the terms of the GNU Lesser General Public
     * License as published by the Free Software Foundation; either
     * version 2.1 of the License, or (at your option) any later version.
     * This library is distributed in the hope that it will be useful,
     * but WITHOUT ANY WARRANTY; without even the implied warranty of
     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     * Lesser General Public License for more details.
     * You should have received a copy of the GNU Lesser General Public
     * License along with this library; if not, write to the Free Software
     * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
     * @category   PHPExcel
     * @package    PHPExcel
     * @copyright  Copyright (c) 2006 - 2015 PHPExcel (http://www.codeplex.com/PHPExcel)
     * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt    LGPL
     * @version    ##VERSION##, ##DATE##
     */
    class PHPExcel_Autoloader {
        /**
         * Register the Autoloader with SPL
         */
        public static function register() {
            if (function_exists('__autoload')) {
                // Register any existing autoloader function with SPL, so we don't get any clashes
                spl_autoload_register('__autoload');
            }
            // Register ourselves with SPL
            if (version_compare(PHP_VERSION, '5.3.0') >= 0) {
                return spl_autoload_register([
                                                 'PHPExcel_Autoloader',
                                                 'load'
                                             ], true, true
                );
            } else {
                return spl_autoload_register([
                                                 'PHPExcel_Autoloader',
                                                 'load'
                                             ]
                );
            }
        }

        /**
         * Autoload a class identified by name
         * @param    string $pClassName Name of the object to load
         */
        public static function load($pClassName) {
            if ((class_exists($pClassName, false)) || (strpos($pClassName, 'PHPExcel') !== 0)) {
                // Either already loaded, or not a PHPExcel class request
                return false;
            }
            $pClassFilePath = PHPEXCEL_ROOT . str_replace('_', DIRECTORY_SEPARATOR, $pClassName) . '.php';
            if ((file_exists($pClassFilePath) === false) || (is_readable($pClassFilePath) === false)) {
                // Can't load
                return false;
            }
            require($pClassFilePath);
        }
    }
